/Engine/Source/Developer/SourceControl/Public/SourceControlResultInfo.h
[FSourceControlResultInfo::EAdditionalErrorContext](API\Developer\SourceControl\FSourceControlResultInfo\EAdditionalErrorContext) & operator&= ( [FSourceControlResultInfo::EAdditionalErrorContext](API\Developer\SourceControl\FSourceControlResultInfo\EAdditionalErrorContext) & Lhs, [FSourceControlResultInfo::EAdditionalErrorContext](API\Developer\SourceControl\FSourceControlResultInfo\EAdditionalErrorContext) Rhs )